6ES7531-7QE00-0AB0

SIMATIC S7-1500 Analog input/output module AI 4x U/I/R/RTD/TC ST; 4 channels in groups of 4; Hardware interrupts; Diagnostics AQ 2x U/I ST; 2 channels in groups of 2; Substitute value; Diagnostics Common mode voltage approx. 10 V 16 bit; Accuracy 0.3%;